Eruptions of Papua New Guinea's Mt Tavurvur have forced some flights in and out of New Britain to be cancelled. The ash and vapor blowing from the volcano affected flights to Tokua Airport. Air Niugini says the flight suspension came into effect on Monday and will continue for an indefinite period. Newspaper reports say low to loud roaring and rumbling noises were heard on Sunday night when the volcano erupted. Tavurvur is an active volcano that lies near Rabaul in Papua New Guinea. It is a sub-vent of the Rabaul caldera and lies on the eastern rim of the larger feature. The volcano is most well known for its devastating eruptions over Rabaul. Mt Tavurvur is the most well known volcano in Rabaul caldera, and has erupted as recently as January 2009. The last time the volcano erupted was in 2011. - Radio New ZealandWikipedia